word file lost all data and file gone corrupt,

word 2010. the user claims to have worked on the file for a long duration and been saving regularly. came back to office and tried opening the file, wehrein user claims the file is corrupt and cant open it anymore. looking at file properties, it is only 4kb whereas the actualy file user worked on was more than 3 mb. any thing to try to fix it. have tried open and repair, tried changing the extension, searched PC for .asd and .wbk and tmp files which could have helped. tried few of the recovery tools ( recuva etc which are freeware , but dont findanything worthwhile with the tools.

have also tried looking manually in locations where there was possibility of seeing the auto recover files. user has already tried recover unsaved document option. thee is no shadow copy enabled on the machine, hence no chance of reverting to previous versions of documents.

junaidIT--Probably more for the future than the past see the 2007/2010 section of this reference for info on how to set up Auto Recovery and find where the AutoRecovery files are kept.
http://www.gmayor.com/what_to_do_when_word_crashes.htm

It is very difficult to restore a file, especially if data was saved after the data loss initially occurred. If the file is the same, then it is virtually impossible.

If you have a server, best practice is to have the users store their information on a network drive and back it up on a regular basis. That way, when stuff like this happens (about once a week here), then you can simply restore the information to the last stored backup.

Since you've already tried data recovery (the only other software I can suggest - that actually works well - would be GetDataBack NTFS, but it's not free if you want to recover the data), ShadowCopy is not active, and since the file was overwritten, I'm afraid I don't see many options.

Nope. It is literally what it says; data recovery, to restore a deleted file. Especially if the current file has the same name (in the same location), just different size, it's going not going to work well.

the weird thing is user claims that sheh as been working on the file for a while , and no temp or auto save or backup files have been created neither has any auto recovery been done after the file crashed. any thoughts on that.

system restore was tried and so was searching for all temp files and auto backup files of word by the user and she claims there arent any to be found. THe file wasnt saved on the network.life wouldnt have been so tough if it was on the network. shadow copy, daily backups all are in place.

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